int initlogscale(long dmax, long rmax)
{
double dm = (double) dmax;
double rm = (double) rmax;
double x = 1.0, dx, y, yy, t;
if (dm <= rm)
return 0;
do
{
t = shlog(dm, x);
y = x * t - rm;
yy = t - dm / (x + dm);
dx = y / yy;
x -= dx;
/* printf("Alpha = %f\n", x); */
} while (abs(dx) > 1E-4);
alpha = x;
return 1;
}
void shinfo(char *log_str)
{
shlog(SHLOG_INFO, 0, log_str);
}
void shwarn(char *log_str)
{
shlog(SHLOG_WARNING, 0, log_str);
}
void sherr(int err_code, char *log_str)
{
shlog(SHLOG_ERROR, err_code, log_str);
}
long logscale(long d)
{
double r = alpha * shlog(d, alpha);
return (long) floor(0.5 + r);
}
